original description Bowerbank, J.S. 1862b. On the Anatomy and Physiology of the Spongiadae. Part III On the Generic Characters, the Specific Characters, and on the Method of Examination. Philosophical Transactions of the Royal Society 152(2): 1087-1135, pls LXXII-LXXIV., available online athttp://dx.doi.org/10.1098/rstl.1862.0044[details][full text]